This book is mostly about Mia because she's the last person to see Beck, an animal talented fairy. Beck was missing. Mia, Kate, Gabby and Lainey help a scout talented fairy named Mika find Beck. They follow lots of trails and footprints. They even find Beck's bag that she uses to treat animals. They find out that Beck is missing at Mia's tea party. Beck said she would be there, but she wasn't. They have to fly across the river to find her. The girls can't fly but Mika lets them use some of her pixie dust. When they land at Skull Rock, Mika's sixth sense knows that Beck is inside Skull Rock so they go inside Skull Rock and look around. They hear Beck but they don't see her because it's super dark. When they finally find her, with Mika's glow and Beck's glow, Beck is with a baby deer called a fawn. She was helping it get a thorn out of its foot. When they finally got Beck back to Pixie Hollow they have a little celebration. Mia makes another angel cake, the same kind she made for her tea party.